/Engine/Source/Runtime/SignalProcessing/Public/DSP/InterpolatedLinearPitchShifter.h
Sample rate converts the input audio buffer and pushes converted audio to the output circular buffer. (Returns the number of output frames generated.)
int32 ProcessAudio ( const [TArrayView](API\Runtime\Core\Containers\TArrayView)< float > InputBuffer, [Audio::TCircularAudioBuffer](API\Runtime\SignalProcessing\DSP\TCircularAudioBuffer)< float > & OutputBuffer )